5616778979 has 8 divisors (see below), whose sum is σ = 6440087808. Its totient is φ = 4798698120.

The previous prime is 5616778919. The next prime is 5616778987. The reversal of 5616778979 is 9798776165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5616778979 - 2¹² = 5616774883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5616778919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304687 + ... + 1308984.

It is an arithmetic number, because the mean of its divisors is an integer number (805010976).

Almost surely, 2^5616778979 is an apocalyptic number.

5616778979 is a deficient number, since it is larger than the sum of its proper divisors (823308829).

5616778979 is a wasteful number, since it uses less digits than its factorization.

5616778979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613985.

The product of its digits is 40007520, while the sum is 65.

The square root of 5616778979 is about 74945.1731534460. The cubic root of 5616778979 is about 1777.5798210848.

The spelling of 5616778979 in words is "five billion, six hundred sixteen million, seven hundred seventy-eight thousand, nine hundred seventy-nine".